The pancronometer, or univesal Georgian calendar; ... shewing the day of the year, month and week, with the fixt and moveable feasts and festivals, ... Also the fundamental hypotheses, reasons and uses of this calendar. ... And the reasons, rules, and uses of octave computation, or natural arithmetic. ... By H. J.
H. J.
London : printed by E. Cave, and sold by J. Payne; and W. Clarke,
1753.
With a final leaf of advertisements.
ESTC